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| Number | Title | Issue Date |
| 5619930 | High speed transportation system A transportation system for transporting vehicles between destinations, including a self-supporting tunnel connecting automated loading and unloading yards, and a non-wheeled tubular vehicle including a ram drive. The vehicle is provided with anti-frictio... | 04/15/1997 |
| 5226367 | Apparatus for drive on loading of a railway car A railway loading dock is provided with adjacent trackage having pairs of main rails and stabilizing rails. A modified railway flatbed car is equipped along its sides with stabilizing wheels and associated support structure to retain the car bed coplanar ... | 07/13/1993 |
| 5188038 | Railroad car derailment safety device The present invention features a safety device that activates the air-brake system immediately upon the detection and/or occurrence of a railroad car derailment condition. The safety device includes a bar entension disposed beneath each car of a train. Th... | 02/23/1993 |
| 4785739 | Tracked transportation system comprising emergency car braking system In a tracked transportation system independent cars are drawn along by a common cable. A car comprises a rolling chassis with a cabin suspended above the chassis by a set of chains. The chains are coupled to a shaft forming apparatus for weighing the cabi... | 11/22/1988 |
| 4339997 | Automatic emergency activated railway brakes A railroad car is equipped with air release means in air flow communication with the car train pipe that is normally provided for connection with the air brake train line of a railroad train. Activators for the air release means are associated with respec... | 07/20/1982 |
| 4269288 | Train derail emergency brake system Downwardly depending contact members are secured to the undercarriage of railroad cars and positioned inboard from the wheels of the cars and also positioned above the level at which the wheels contact the underlying tracks. These contact members are upwa... | 05/26/1981 |
| 4062295 | Emergency slipper for high-speed vehicles An emergency slipper of the type usually spaced above a track but which comes into sliding engagement with the track in an emergency. The slipper comprises slide blocks having bottom surfaces which slide easily along the track, and scraper means for scrap... | 12/13/1977 |
